Shihab Ahmed Mohammed 4

What Happened

• Shihab Ahmed Mohammed, Chief Product Officer at Western Digital (WDC), had shares withheld to satisfy tax obligations tied to the conversion/vesting of equity awards. On March 17, 2026, derivative conversions/exercises resulted in shares being issued and then 20,595 shares were withheld (disposed) at $313.81 per share to cover taxes, totaling $6,462,917. The filing also shows small derivative conversions (~196 and ~196.56 shares) and a subsequent grant/award of 75.765 shares on March 18, 2026.

Key Details

• Primary dates: March 17, 2026 (derivative conversions/exercises and tax withholding); March 18, 2026 (grant/award).
• Tax withholding: 20,595 shares withheld at $313.81 each = $6,462,917 (transaction code F, payment of tax obligation by withholding securities).
• Derivative activity: exercise/conversion entries (transaction code M) for ~196 and ~196.557 shares (reported at $0 acquisition price as conversions of derivative rights).
• Award: 75.765 shares reported as a grant/award on March 18 (transaction code A, $0).
• Notable footnotes: dividend equivalent rights were converted into shares on a one-for-one basis in connection with RSU vesting (fractional amount settled in cash); tax withholding occurred under Rule 16b-3(e); filing excerpt notes inclusion of 484 ESPP shares from Nov 30, 2025.
• Shares owned after transaction: not reported in the provided excerpt.
• Timeliness: no late filing indicator provided in the supplied data.

Context

• This was not an open-market sale for cash gain but a routine withholding of shares to satisfy tax liabilities arising from vesting/conversion of equity awards (a common payroll tax practice). Such withholding should not be read by itself as a directional signal about the insider's view of the company.